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Finding the Fourth Proportional to 624,857.60, 937,286.40 and 151,542.20

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Solution

The fourth proportional to 624,857.60, 937,286.40 and 151,542.20 is: 227,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,857.60 : 937,286.40 = 151,542.20 : x
  2. Step 2: Convert to fraction form
    624,857.60/937,286.40 = 151,542.20/x
  3. Step 3: Cross multiply
    624,857.60x = 937,286.40 × 151,542.20
  4. Step 4: Simplify right side
    624,857.60x = 142,038,443,086.08
  5. Step 5: Solve for x
    x = 142,038,443,086.08/624,857.60
  6. Step 6: Final answer
    x = 227,313.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.